Heating, ventilation and air-conditioning unit



FIG. 1 is a front perspective view of the heating, ventilation and air-conditioning unit;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a top plan view thereof.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for the heating, ventilation and air-conditioning unit, as shown and described. 